
Description: Bars3d is a free, open-source data visualization software focused on 3D bar charts. It allows users to create interactive 3D bar graphs to better visualize complex data sets.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Estru3D is a free, open source CAD software for Windows used primarily for designing 3D models for 3D printing. It has an intuitive interface along with basic modeling and editing tools to create simple to moderately complex models.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API